Re: [PATCH] xfs: port xfs/122 to the kernel

[kernel test robot <lkp@intel.com>]

Hi Darrick,

kernel test robot noticed the following build errors:

[auto build test ERROR on xfs-linux/for-next]
[also build test ERROR on linus/master v6.12-rc3 next-20241014]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Darrick-J-Wong/xfs-port-xfs-122-to-the-kernel/20241012-022552
base:   https://git.kernel.org/pub/scm/fs/xfs/xfs-linux.git for-next
patch link:    https://lore.kernel.org/r/20241011182407.GC21853%40frogsfrogsfrogs
patch subject: [PATCH] xfs: port xfs/122 to the kernel
config: i386-buildonly-randconfig-001-20241015 (https://download.01.org/0day-ci/archive/20241015/202410150820.elwPtYkE-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241015/202410150820.elwPtYkE-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202410150820.elwPtYkE-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from include/linux/container_of.h:5,
                    from include/linux/list.h:5,
                    from include/linux/semaphore.h:11,
                    from fs/xfs/xfs_linux.h:24,
                    from fs/xfs/xfs.h:26,
                    from fs/xfs/xfs_super.c:7:
   fs/xfs/libxfs/xfs_ondisk.h: In function 'xfs_check_ondisk_structs':
>> include/linux/build_bug.h:78:41: error: static assertion failed: "XFS: sizeof(struct xfs_fsop_geom_v1) is wrong, expected 112"
      78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
         |                                         ^~~~~~~~~~~~~~
   include/linux/build_bug.h:77:34: note: in expansion of macro '__static_assert'
      77 | #define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr)
         |                                  ^~~~~~~~~~~~~~~
   fs/xfs/libxfs/xfs_ondisk.h:10:9: note: in expansion of macro 'static_assert'
      10 |         static_assert(sizeof(structname) == (size), \
         |         ^~~~~~~~~~~~~
   fs/xfs/libxfs/xfs_ondisk.h:302:9: note: in expansion of macro 'XFS_CHECK_STRUCT_SIZE'
     302 |         XFS_CHECK_STRUCT_SIZE(struct xfs_fsop_geom_v1,                  112);
         |         ^~~~~~~~~~~~~~~~~~~~~


vim +78 include/linux/build_bug.h

bc6245e5efd70c4 Ian Abbott       2017-07-10  60  
6bab69c65013bed Rasmus Villemoes 2019-03-07  61  /**
6bab69c65013bed Rasmus Villemoes 2019-03-07  62   * static_assert - check integer constant expression at build time
6bab69c65013bed Rasmus Villemoes 2019-03-07  63   *
6bab69c65013bed Rasmus Villemoes 2019-03-07  64   * static_assert() is a wrapper for the C11 _Static_assert, with a
6bab69c65013bed Rasmus Villemoes 2019-03-07  65   * little macro magic to make the message optional (defaulting to the
6bab69c65013bed Rasmus Villemoes 2019-03-07  66   * stringification of the tested expression).
6bab69c65013bed Rasmus Villemoes 2019-03-07  67   *
6bab69c65013bed Rasmus Villemoes 2019-03-07  68   * Contrary to BUILD_BUG_ON(), static_assert() can be used at global
6bab69c65013bed Rasmus Villemoes 2019-03-07  69   * scope, but requires the expression to be an integer constant
6bab69c65013bed Rasmus Villemoes 2019-03-07  70   * expression (i.e., it is not enough that __builtin_constant_p() is
6bab69c65013bed Rasmus Villemoes 2019-03-07  71   * true for expr).
6bab69c65013bed Rasmus Villemoes 2019-03-07  72   *
6bab69c65013bed Rasmus Villemoes 2019-03-07  73   * Also note that BUILD_BUG_ON() fails the build if the condition is
6bab69c65013bed Rasmus Villemoes 2019-03-07  74   * true, while static_assert() fails the build if the expression is
6bab69c65013bed Rasmus Villemoes 2019-03-07  75   * false.
6bab69c65013bed Rasmus Villemoes 2019-03-07  76   */
6bab69c65013bed Rasmus Villemoes 2019-03-07  77  #define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr)
6bab69c65013bed Rasmus Villemoes 2019-03-07 @78  #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
6bab69c65013bed Rasmus Villemoes 2019-03-07  79  
07a368b3f55a79d Maxim Levitsky   2022-10-25  80  

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